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Unformatted text preview: 12100Introduction to Civil and Environmental Engineering Spring 2008 Homework 8 Due: 16 April 2008 1.A circular pipe with a diameter of 12.0 inches flows full with a velocity of 5.50 ft/s. Calculate the volumetric flow rate, both in CFS (cubic feet per second) and in GPM (gallons per minute). (1.0 gallon = 0.13368 ft3.) 2.Water flows in an aqueduct at a rate of 87.5 MGD (million gallons per day). The aqueduct is an open channel of rectangular shape, with a width of 24.0 feet. At one particular section the average velocity is known to be 2.15 ft/s; determine the depth of water at that section. 3.A storage basin for irrigation has a surface area of 0.45 square miles; canals flow into it from two watersheds, and one canal flows out of it. In one particular month the total inflows from the two watersheds were measured to be 195 million gallons and 140 million gallons, respectively. In that same month there was no rainfall, evaporative losses were known to be 12 inches, and there was a measured rise in the basin depth of 0.85 feet. measured rise in the basin depth of 0....
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This note was uploaded on 01/25/2010 for the course CE 12100 taught by Professor Irvin during the Spring '08 term at Carnegie Mellon.
 Spring '08
 irvin
 Environmental Engineering

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